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STMicroelectronics 1-Element Uni-Directional TVS Diode, 3 kW Peak Pulse Power, 2-Pin DO-214 Package SM30T39AY
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 2.45mm |
| Length | 7.15mm |
| Model | SM30T39AY |
| Width | 6.25mm |
| Mount Type | Surface |
| Series | SM30TY |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 58V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 36.7V |
| Maximum Reverse Stand-off Voltage Vwm | 33V |
| Peak Pulse Power Dissipation Pppm | 3kW |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 490A |
| Maximum Reverse Leakage Current | 200nA |
Key Features
- This diode features a single-element, uni-directional design optimized for transient voltage suppression.
- It has a peak pulse power dissipation of 3 kW, ensuring robust protection in high-energy surge events.
- The maximum reverse stand-off voltage is rated at 33 V, with a minimum breakdown voltage of 36.7 V for stable operation.
- Its compact DO-214 surface mount package measures 7.15 mm length, 6.25 mm width, and 2.45 mm height.
- The device operates reliably across a wide temperature range from -55°C to 150°C.
- The maximum peak pulse current capability is 490 A, providing effective surge absorption capacity.
- The diode complies with automotive standard AEC-Q101, suited for automotive and industrial electronics.
- It has a low maximum reverse leakage current of 200 nA to minimize power losses in normal operation.
Product Description
STMicroelectronics SM30T39AY is a high-performance 1-Element Uni-Directional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic circuits from voltage spikes and transient surges. Rated for a peak pulse power dissipation of 3 kW, this diode provides robust surge protection in demanding industrial, automotive, and electronic applications.
Housed in a DO-214 surface mount package, the diode features a compact footprint with dimensions of 7.15 mm length, 6.25 mm width, and 2.45 mm height. This package type facilitates efficient PCB layout and is compatible with automated assembly processes.
Electrically, the SM30T39AY supports a maximum reverse stand-off voltage of 33 V and a minimum breakdown voltage of 36.7 V, ensuring effective voltage clamping at 58 V during transient events. It can withstand peak pulse currents up to 490 A, which makes it suitable for protecting circuits against high-energy surges.
The device is rated for operation over a temperature range from -55°C to 150°C and complies with automotive grade standards AEC-Q101, demonstrating reliability in harsh environments. Its low maximum reverse leakage current of 200 nA reduces power dissipation during normal operation, supporting energy-efficient designs.
This TVS diode is ideal for use in industrial electronics, automotive electronic modules, power supply protection, embedded systems, and semiconductor equipment. The unidirectional diode configuration provides precise and reliable suppression of positive voltage transients in sensitive circuits.
Single-element unidirectional TVS diode construction. Surface mount DO-214 package for compact PCB integration. 3 kW peak pulse power dissipation capability. Automotive grade compliant with AEC-Q101. Wide operating temperature range from -55°C to 150°C.
Low leakage current and high clamping voltage for effective protection.
Ensure circuit longevity and resilience against voltage spikes with the SM30T39AY from STMicroelectronics. Browse the TVS Diode category at EnvMart for more specialized transient voltage suppressors and related electronic components.
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Frequently Asked Questions
The SM30T39AY diode has a peak pulse power dissipation of 3 kW, providing robust protection against high-energy surge events.
The maximum reverse stand-off voltage for this diode is rated at 33 V, ensuring effective voltage clamping during operation.
The minimum breakdown voltage of the SM30T39AY is 36.7 V, which is crucial for stable operation during transient events.
This model can withstand a maximum peak pulse current of 490 A, making it suitable for protecting circuits against high-energy surges.
The DO-214 package of the SM30T39AY measures 7.15 mm in length, 6.25 mm in width, and 2.45 mm in height.
The operating temperature range for the SM30T39AY is from -55°C to 150°C, allowing reliable operation in various environments.
Yes, this diode complies with automotive standard AEC-Q101, making it suitable for automotive and industrial electronics applications.
The maximum reverse leakage current for the SM30T39AY is 200 nA, which helps minimize power losses during normal operation.
The SM30T39AY features a single-element, uni-directional diode configuration, optimized for transient voltage suppression.
The clamping voltage for the SM30T39AY is 58 V, which ensures effective voltage suppression during transient events.
The SM30T39AY has a pin count of 2, suitable for surface mount applications.
This diode is ideal for use in industrial electronics, automotive electronic modules, power supply protection, and embedded systems.
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